drm/radeon: drop non blocking allocations from sub allocator

Not needed any more.

Signed-off-by: Christian König <christian.koenig@amd.com>

diff --cc drivers/gpu/drm/radeon/radeon_object.h
Simple merge

diff --cc drivers/gpu/drm/radeon/radeon_ring.c
Simple merge

diff --cc drivers/gpu/drm/radeon/radeon_sa.c
Simple merge

diff --cc drivers/gpu/drm/radeon/radeon_semaphore.c
Simple merge